R. Thomas Seaberg has been granted 3 US patents while listed as an inventor at Townsend Engineering. The first was granted in 2001 and the most recent in February 2010. R. Thomas Seaberg ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list R. Thomas Seaberg in Des Moines, IA, US.